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G. K. MELLINGER.

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No 59,356 Patented Oct 1, 1.867.

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v CHRISTIAN K. MELLINGER, OF MILLERSVILLE, PENNSYLVANIA.

Letters Patent No. 69,356, dated October 1, 1867.

' IMPROVEMENT IN CARRIAGE-P0138.

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TO WHOM IT MAY CONCERN:

Be it known that I, CHRISTIAN K. MELLINGER, of Millersville, in the county of Lancaster, and State of Pennsylvania, have invented a new and useful Improvement on Carriage Poles; and I do hereby declare that the following is a full, clear, and exact description of the construction and operation of the same, reference being had to the accompanyingdrawings, making a partof this specification, in which- 7 Figure 1 is a perspective view of a pole and shackle-bow, with my improvement in place.

Figure 2 is a view of the shackle-plate detached.

Figures 3 and 4 illustrate'the adjustability.

The object of my inventionfis to adapt a. pole to any ordinary carriage, however the clips and shackle-boxes may be placed more or less remote on the axle from each other, so that the eye of the shackle-plate can be adjusted'and made to fit, ranging to a difference of five inches, the ordinary difference hcihgfromonequarter to two inches in the space between the boxes.

To enable others skilled in the art to make and use my invention, it is only necessary to say that the art consists in the curvature of the iron, slots for the bolt, and position of the eye, so that the latter, while extended or drawn in, is always in thesame position, parallel with the axle and boxes madei'or the reception of .the same, and to which it is hinged on both sides of the how by a bolt and screw-nut. The plate may be provided with two or three slots curved with the radius of the how, (so far-as the plate may shift, at least,) in order to keep the eye alwaysparallel, as shown by figs. 3 and 4.

Fig. 3 shows the bar A,with two slots, 6, and the shackle-eye a. This plate is secured by a bolt, B, in each slot, with a screw and binding-nut. These slots, with the adjusting end of the plate and bow, are all eurved'by a common radius, and the projecting end, carrying the eye, will, in its motions, keep parallel with the hingeopening'of the boxes F. Thereby a polo is readily adjusted from one carriage to another. This plate can be applied to the side of the how by twisting the eye,'so as to be horizontal while the plate itself is vertical, if such an application is preferable, or, from the nature of the how, such a change is desirable.

I'am awarethat this, is a simple device, but I am not aware that such an adjustable plate was ever in use. Its utility is very evident to persons having experienced the diversity of the distance apart of the shackleboxes on different vehicles, and the necessity to have the eyes on the bow of-the pole to correspond, so as to fit the box accurately.

What I claim as ,my invention, and desire to secure by Letters Patent, is.

The plate A, with its slots 6 and eye a, forming the adjustable shackle for carriage-poles, when arranged,-

eonstructed, and applied in the manner and for the purpose specified. w CHRISTIAN K. MELLINGER.

Witnesses:

WM. B. WILEY, JACOB Srnorrrn. 

